/* FAQ 基础样式 - 独立命名 不污染全局 */
.faq-section {
  width: 100%;
  padding: 80px 20px;
  background-color: #f8f9fc;
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
}
.faq-container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}
.faq-header {
  text-align: left;
  margin-bottom: 60px;
  padding-left: 24px;
  border-left: 4px solid #ff9f1c;
}
.faq-subtitle {
  font-size: 15px;
  font-weight: 700;
  color: #ff9f1c;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.faq-title {
  font-size: 54px;
  font-weight: 900;
  color: #111827;
  line-height: 1.05;
  text-transform: uppercase;
  letter-spacing: -1px;
}
.faq-wrapper {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.faq-item {
  background: #ffffff;
  border-radius: 18px;
  padding: 32px 36px;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  border: 1px solid #f0f0f3;
}
.faq-item:hover {
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.08);
  transform: translateY(-3px);
}
.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
}
.faq-number {
  font-size: 17px;
  font-weight: 700;
  color: #ff9f1c;
  min-width: 32px;
}
.faq-question-text {
  flex: 1;
  font-size: 22px;
  font-weight: 700;
  color: #111827;
}
.faq-toggle {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: #f9fafb;
  border: 1px solid #e5e7eb;
  font-size: 22px;
  color: #111827;
  transition: all 0.25s ease;
}
.faq-toggle.active {
  background: #ff9f1c;
  color: #fff;
  border-color: #ff9f1c;
  transform: rotate(45deg);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  margin-top: 0;
}
.faq-answer.active {
  max-height: 350px;
  margin-top: 24px;
}
.faq-answer p {
  font-size: 17px;
  line-height: 1.8;
  color: #4b5563;
}